Part 4. Questions 6,7. [ Use Video-1 under Scheduling heading. ]

[Note: The order of jobs in a schedule is 1^st,2^nd,3^rd,4^th,5^th, for A,B,C,D,E, respectively.]

The jobs A,B,C,D,E, arrived in that order to be processed on two machines.

Job	A	B	C	D	E
Time on Machine 1	48	56	66	34	78
Time on Machine 2	45	68	64	56	80

Question 6. Which is the Johnsons Rule schedule?

(A) ACEBD (B) DBECA (C) DCABE (D) DABEC (E) none of the above

Question 7. Consider the FIFO schedule of (A,B,C,D,E).

How many statements are correct? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4

Statement 1. The total time of completion is 362

Statement 2. The flow time of job D is 292

Statement 3. The total queue time of job C is 106

Statement 4. The total idle time of machine 2 is 59

. . .